Lake Milton Dam

MAHONING RIVER· Mahoning, Ohio· Built 1916· Earth· 53 ft tall
High Hazard Recreation Water Supply State Government

Key Takeaway

Lake Milton Dam is classified as high hazard in Ohio. It was completed in 1916 and is 110 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 53 ft (taller than 93.2% in OH)
Dam Length2,840 ft
Dam TypeEarth
Max Storage46.6K acre-ft
Normal Storage21.6K acre-ft
Surface Area1,780 acres
Drainage Area265 sq mi
Max Discharge68,000 cfs
Year Completed1916 (110 years old)
NID IDOH00419

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: April 20, 2016
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

ODNR, Division of Parks & Watercraft

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Milton Dam?

Lake Milton Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Milton Dam?

Lake Milton Dam is owned by ODNR, Division of Parks & Watercraft (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Milton Dam built?

Lake Milton Dam was completed in 1916, making it 110 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Lake Milton Dam?

Lake Milton Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lake Milton Dam?

Lake Milton Dam has a dam height of 53 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Lake Milton Dam last inspected?

Lake Milton Dam was last inspected on April 20, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.